SUMMARY Footer with standard buttons Default, Reset & Apply does not support drag by mouse from empty areas. But KCM module on top of it does it well. STEPS TO REPRODUCE 1. Open System Settings app. 2. Go into any KCM module. 3. Drag from the bottom. OBSERVED RESULT Does not drag. EXPECTED RESULT Should support drag. SOFTWARE/OS VERSIONS Operating System: Arch Linux KDE Plasma Version: 5.23.80 KDE Frameworks Version: 5.87.0 Qt Version: 5.15.2 Kernel Version: 5.14.8-arch1-1 (64-bit) Graphics Platform: X11 Processors: 8 × Intel® Core™ i7-6700HQ CPU @ 2.60GHz Memory: 15.6 GiB of RAM Graphics Processor: NVIDIA GeForce GTX 970M/PCIe/SSE2 ADDITIONAL INFORMATION